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mptcp: netlink: Add MPTCP_PM_CMD_REMOVE

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This change adds a MPTCP netlink command for issuing a
REMOVE_ADDR signal for an address over the chosen MPTCP
connection from a userspace path manager.

The command requires the following parameters: {token, loc_id}.

Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Kishen Maloor <kishen.maloor@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Kishen Maloor 2022-05-03 19:38:54 -07:00 • committed by David S. Miller
parent 9a0b36509d
commit d9a4594eda
4 changed files with 76 additions and 2 deletions
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4
net/mptcp/protocol.h
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@ -801,10 +801,14 @@ int mptcp_pm_announce_addr(struct mptcp_sock *msk,
bool echo);
int mptcp_pm_remove_addr(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_list);
int mptcp_pm_remove_subflow(struct mptcp_sock *msk, const struct mptcp_rm_list *rm_list);
void mptcp_pm_remove_addrs_and_subflows(struct mptcp_sock *msk,
struct list_head *rm_list);
int mptcp_userspace_pm_append_new_local_addr(struct mptcp_sock *msk,
struct mptcp_pm_addr_entry *entry);
void mptcp_free_local_addr_list(struct mptcp_sock *msk);
int mptcp_nl_cmd_announce(struct sk_buff *skb, struct genl_info *info);
int mptcp_nl_cmd_remove(struct sk_buff *skb, struct genl_info *info);
void mptcp_event(enum mptcp_event_type type, const struct mptcp_sock *msk,
const struct sock *ssk, gfp_t gfp);